Home / 84,526.88-126,817.06-50,831.70

Finding the Fourth Proportional to 84,526.88, 126,817.06 and 50,831.70

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Solution

The fourth proportional to 84,526.88, 126,817.06 and 50,831.70 is: 76,263.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,526.88 : 126,817.06 = 50,831.70 : x
  2. Step 2: Convert to fraction form
    84,526.88/126,817.06 = 50,831.70/x
  3. Step 3: Cross multiply
    84,526.88x = 126,817.06 × 50,831.70
  4. Step 4: Simplify right side
    84,526.88x = 6,446,326,748.80
  5. Step 5: Solve for x
    x = 6,446,326,748.80/84,526.88
  6. Step 6: Final answer
    x = 76,263.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.